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HHH-4787 - AuditProperty.isNull() query fix and tests

This commit is contained in:
Lukasz Antoniak 2011-04-21 20:04:16 +02:00
parent 74c6773c44
commit 4810a48096
5 changed files with 140 additions and 4 deletions
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12
hibernate-envers/src/main/java/org/hibernate/envers/entities/mapper/id/AbstractIdMapper.java
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@ -70,9 +70,13 @@ public abstract class AbstractIdMapper implements IdMapper {
Parameters parametersToUse = getParametersToUse(parameters, paramDatas);
for (QueryParameterData paramData : paramDatas) {
if (paramData.getValue() == null) {
handleNullValue(parametersToUse, paramData.getProperty(prefix), equals);
} else {
parametersToUse.addWhereWithParam(paramData.getProperty(prefix), equals ? "=" : "<>", paramData.getValue());
}
}
}
public void addNamedIdEqualsToQuery(Parameters parameters, String prefix, boolean equals) {
List<QueryParameterData> paramDatas = mapToQueryParametersFromId(null);
@ -83,4 +87,12 @@ public abstract class AbstractIdMapper implements IdMapper {
parametersToUse.addWhereWithNamedParam(paramData.getProperty(prefix), equals ? "=" : "<>", paramData.getQueryParameterName());
}
}
private void handleNullValue(Parameters parameters, String propertyName, boolean equals) {
if (equals) {
parameters.addNullRestriction(propertyName, equals);
} else {
parameters.addNotNullRestriction(propertyName, equals);
}
}
}

5
hibernate-envers/src/main/java/org/hibernate/envers/query/criteria/NotNullAuditExpression.java
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@ -24,10 +24,13 @@
package org.hibernate.envers.query.criteria;
import org.hibernate.envers.configuration.AuditConfiguration;
import org.hibernate.envers.entities.RelationDescription;
import org.hibernate.envers.entities.mapper.id.QueryParameterData;
import org.hibernate.envers.query.property.PropertyNameGetter;
import org.hibernate.envers.tools.query.Parameters;
import org.hibernate.envers.tools.query.QueryBuilder;
import java.util.List;
/**
* @author Adam Warski (adam at warski dot org)
*/
@ -43,7 +46,7 @@ public class NotNullAuditExpression implements AuditCriterion {
RelationDescription relatedEntity = CriteriaTools.getRelatedEntity(auditCfg, entityName, propertyName);
if (relatedEntity == null) {
parameters.addWhereWithParam(propertyName, "<>", null);
parameters.addNotNullRestriction(propertyName, true);
} else {
relatedEntity.getIdMapper().addIdEqualsToQuery(parameters, null, propertyName, false);
}

2
hibernate-envers/src/main/java/org/hibernate/envers/query/criteria/NullAuditExpression.java
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@ -43,7 +43,7 @@ public class NullAuditExpression implements AuditCriterion {
RelationDescription relatedEntity = CriteriaTools.getRelatedEntity(auditCfg, entityName, propertyName);
if (relatedEntity == null) {
parameters.addWhereWithParam(propertyName, "=", null);
parameters.addNullRestriction(propertyName, true);
} else {
relatedEntity.getIdMapper().addIdEqualsToQuery(parameters, null, propertyName, true);
}

18
hibernate-envers/src/main/java/org/hibernate/envers/tools/query/Parameters.java
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@ -114,6 +114,24 @@ public class Parameters {
addWhere(left, true, op, right, true);
}
/**
* Adds <code>IS NULL</code> restriction.
* @param propertyName Property name.
* @param addAlias Positive if alias to property name shall be added.
*/
public void addNullRestriction(String propertyName, boolean addAlias) {
addWhere(propertyName, addAlias, "is", "null", false);
}
/**
* Adds <code>IS NOT NULL</code> restriction.
* @param propertyName Property name.
* @param addAlias Positive if alias to property name shall be added.
*/
public void addNotNullRestriction(String propertyName, boolean addAlias) {
addWhere(propertyName, addAlias, "is not", "null", false);
}
public void addWhere(String left, boolean addAliasLeft, String op, String right, boolean addAliasRight) {
StringBuilder expression = new StringBuilder();

103
hibernate-envers/src/test/java/org/hibernate/envers/test/integration/query/NullPropertyQuery.java Normal file
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@ -0,0 +1,103 @@
package org.hibernate.envers.test.integration.query;
import org.hibernate.ejb.Ejb3Configuration;
import org.hibernate.envers.query.AuditEntity;
import org.hibernate.envers.test.AbstractEntityTest;
import org.hibernate.envers.test.Priority;
import org.hibernate.envers.test.entities.StrIntTestEntity;
import org.hibernate.envers.test.entities.ids.EmbId;
import org.hibernate.envers.test.entities.onetomany.CollectionRefEdEntity;
import org.hibernate.envers.test.entities.onetomany.CollectionRefIngEntity;
import org.hibernate.envers.test.entities.onetomany.ids.SetRefEdEmbIdEntity;
import org.hibernate.envers.test.entities.onetomany.ids.SetRefIngEmbIdEntity;
import org.junit.Test;
import javax.persistence.EntityManager;
/**
* @author Lukasz Antoniak (lukasz dot antoniak at gmail dot com)
*/
public class NullPropertyQuery extends AbstractEntityTest {
private Integer idSimplePropertyNull = null;
private Integer idSimplePropertyNotNull = null;
private EmbId idMulticolumnReferenceToParentNull = new EmbId(0, 1);
private Integer idReferenceToParentNotNull = 1;
private Integer idParent = 1;
public void configure(Ejb3Configuration cfg) {
cfg.addAnnotatedClass(StrIntTestEntity.class);
cfg.addAnnotatedClass(SetRefEdEmbIdEntity.class);
cfg.addAnnotatedClass(SetRefIngEmbIdEntity.class);
cfg.addAnnotatedClass(CollectionRefEdEntity.class);
cfg.addAnnotatedClass(CollectionRefIngEntity.class);
}
@Test
@Priority(10)
public void initData() {
// Revision 1
EntityManager em = getEntityManager();
em.getTransaction().begin();
StrIntTestEntity nullSite = new StrIntTestEntity(null, 1);
StrIntTestEntity notNullSite = new StrIntTestEntity("data", 2);
em.persist(nullSite);
em.persist(notNullSite);
idSimplePropertyNull = nullSite.getId();
idSimplePropertyNotNull = notNullSite.getId();
em.getTransaction().commit();
// Revision 2
em.getTransaction().begin();
SetRefIngEmbIdEntity nullParentSrieie = new SetRefIngEmbIdEntity(idMulticolumnReferenceToParentNull, "data", null);
em.persist(nullParentSrieie);
em.getTransaction().commit();
// Revision 3
em.getTransaction().begin();
CollectionRefEdEntity parent = new CollectionRefEdEntity(idParent, "data");
CollectionRefIngEntity notNullParentCrie = new CollectionRefIngEntity(idReferenceToParentNotNull, "data", parent);
em.persist(parent);
em.persist(notNullParentCrie);
em.getTransaction().commit();
}
@Test
public void testSimplePropertyIsNullQuery() {
StrIntTestEntity ver = (StrIntTestEntity) getAuditReader().createQuery()
.forEntitiesAtRevision(StrIntTestEntity.class, 1)
.add(AuditEntity.property("str1").isNull())
.getSingleResult();
assert ver.equals(new StrIntTestEntity(null, 1, idSimplePropertyNull));
}
@Test
public void testSimplePropertyIsNotNullQuery() {
StrIntTestEntity ver = (StrIntTestEntity) getAuditReader().createQuery()
.forEntitiesAtRevision(StrIntTestEntity.class, 1)
.add(AuditEntity.property("str1").isNotNull())
.getSingleResult();
assert ver.equals(new StrIntTestEntity("data", 2, idSimplePropertyNotNull));
}
@Test
public void testReferenceMulticolumnPropertyIsNullQuery() {
SetRefIngEmbIdEntity ver = (SetRefIngEmbIdEntity) getAuditReader().createQuery()
.forEntitiesAtRevision(SetRefIngEmbIdEntity.class, 2)
.add(AuditEntity.property("reference").isNull())
.getSingleResult();
assert ver.getId().equals(idMulticolumnReferenceToParentNull);
}
@Test
public void testReferencePropertyIsNotNullQuery() {
CollectionRefIngEntity ver = (CollectionRefIngEntity) getAuditReader().createQuery()
.forEntitiesAtRevision(CollectionRefIngEntity.class, 3)
.add(AuditEntity.property("reference").isNotNull())
.getSingleResult();
assert ver.getId().equals(idReferenceToParentNotNull);
}
}